. 2021 May 19;10(6):656–666. doi: 10.1530/EC-21-0164
This work is licensed under a Table 1.
Characteristics of the included studies.
| Study (author, year) | Study design | Country | Median age (range) | No. of carcinoma/no. of case(%) | Surgical intervention | Surgical time span | Quality assessment |
|---|---|---|---|---|---|---|---|
| Bom Seok Koo 2010 (6) | Retrospective | Korea | 48 (26–84) |
18/74 (24.3%) | TT | 2005–2009 | 8 |
| Connor Matt 2011 (7) | Retrospective | USA | 43 (13–64) |
1/13 (7.7%) | TT | 1998–2008 | 8 |
| Li Wei Meng 2012 (8) | Retrospective | China | 48 (19–80) |
53/253 (20.9%) | TT/NTT | 2007–2011 | 8 |
| Ming Yang 2013 (9) | Retrospective | China | 56 (42–64) |
19/90 (21.1%) | TT/NTT | 2009–2012 | 7 |
| Sung Yong Choi 2013 (10) | Retrospective | Korea | 51 (26–76) |
16/106 (15.1%) | TT | 2005–2009 | 8 |
| Han Feng Wan 2014 (11) | Retrospective | China | 40.5 (16–67) |
42/97 (43.3%) | TT/NTT | 2011–2013 | 7 |
| Young Chan Lee 2015 (12) | Retrospective | Korea | 53 (–) |
51/241 (21.2%) | TT | 2007–2013 | 9 |
| Zeng Gui Wu 2016 (13) | Retrospective | China | 48 (–) |
100/347 (28.9%) | TT/NTT | 2011–2015 | 9 |
NTT, nearly total thyroidectomy; TT, total thyroidectomy.